Agent skills
Skills you can use with AI coding agents, indexed from public GitHub repositories.
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threat-modeling-techniques
Threat modeling methodologies using STRIDE, attack trees, and risk assessment for proactive security analysis. Use when designing secure systems, conducting security reviews, or identifying potential attack vectors in applications.
NickCrew/Claude-Cortex 13
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doc-maintenance
Systematic documentation audit and maintenance. This skill should be used when documentation may be stale, missing, or misorganized — after feature work, refactors, dependency upgrades, or as a periodic health check. It prescribes folder structure for docs/ and manual/, dispatches haiku subagents for codebase/doc scanning, and routes doc creation to specialized agents (reference-builder, technical-writer, learning-guide) with docs-architect as quality gate.
NickCrew/Claude-Cortex 13
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brainstorming
Rapid ideation skill adapted from obra/superpowers to kick off cortex sessions. Use when defining scope, aligning on goals, or exploring solution space before coding.
NickCrew/Claude-Cortex 13
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concept-forge
Score concepts on impact/delight/effort and pick a 1-day spike.
NickCrew/Claude-Cortex 13
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idea-lab
Timeboxed divergent ideation that outputs ranked options plus day-one experiments.
NickCrew/Claude-Cortex 13
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writing-plans
Structured plan-writing skill adapted from obra/superpowers. Produces actionable plans that map directly to cortex workflows and tasks.
NickCrew/Claude-Cortex 13
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executing-plans
Execution discipline skill adapted from obra/superpowers. Ensures plans translate into tracked tasks, orchestration, and verification runs.
NickCrew/Claude-Cortex 13
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mashup
Force-fit patterns from other domains to spark novel concepts.
NickCrew/Claude-Cortex 13
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assumption-buster
Flip, remove, or exaggerate assumptions to unlock new solution angles.
NickCrew/Claude-Cortex 13
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pre-mortem
Imagine failure first to surface guardrails and feature mitigations.
NickCrew/Claude-Cortex 13
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visual-modes
Use when activating visual showcase modes (supersaiyan, kamehameha, over9000) for UI or interaction design - provides mode-specific enhancement checklists.
NickCrew/Claude-Cortex 13
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super-saiyan
Maximum visual excellence for any UI platform. Use when building user interfaces, styling components, or polishing visual elements.
NickCrew/Claude-Cortex 13
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knowledge-synthesis
Extract insights from multi-agent interactions, identify patterns, and build collective intelligence through cross-agent learning and knowledge management. Use when synthesizing findings, building knowledge bases, or improving system-wide practices.
NickCrew/Claude-Cortex 13
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sharing-skills
Use when you've developed a broadly useful skill and want to contribute it upstream via pull request - guides process of branching, committing, pushing, and creating PR to contribute skills back to upstream repository
NickCrew/Claude-Cortex 13
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internal-comms
A set of resources to help write all kinds of internal communications, using company-specific formats. Use when asked to write internal communications (status reports, leadership updates, 3P updates, company newsletters, FAQs, incident reports, project updates, etc.).
NickCrew/Claude-Cortex 13
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requesting-code-review
Use when completing tasks, implementing major features, or before merging to verify work meets requirements - dispatches superpowers:code-reviewer subagent to review implementation against plan or requirements before proceeding
NickCrew/Claude-Cortex 13
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user-journey-mapping
Create comprehensive user journey maps that identify pain points, opportunities, and emotional states across touchpoints. Use when mapping user experiences or analyzing conversion flows.
NickCrew/Claude-Cortex 13
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requirements-discovery
Stakeholder interviews, PRD structure, and scope definition for software requirements elicitation. Use when gathering requirements, defining project scope, or structuring product requirement documents.
NickCrew/Claude-Cortex 13
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product-strategy
Product vision, roadmap development, and go-to-market execution with structured prioritization frameworks. Use when evaluating features, planning product direction, or assessing market fit.
NickCrew/Claude-Cortex 13
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workflow-performance
Systematic performance analysis and optimization. Use when things are slow, need optimization, or preparing for scale.
NickCrew/Claude-Cortex 13
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canvas-design
Create beautiful visual art in .png and .pdf documents using design philosophy. Use when the user asks to create a poster, piece of art, design, or other static piece. Create original visual designs, never copying existing artists' work to avoid copyright violations.
NickCrew/Claude-Cortex 13
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incident-response
Incident triage, cascade prevention, and postmortem methodology. Use when handling production incidents, designing resilience patterns, or conducting chaos engineering exercises.
NickCrew/Claude-Cortex 13
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codex-code-review
Automate code review remediation loops with the codex CLI. Requests reviews from codex, classifies findings by severity (P0-P4), fixes critical issues (P0/P1) through iterative cycles, defers quality improvements to backlog, and escalates after 3 review cycles. Use when working with code that needs structured remediation: 'codex review' in a request triggers this workflow.
NickCrew/Claude-Cortex 13
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feature-implementation
Use when implementing a feature or multi-file code change - provides structured implementation flow with persona selection, validation, and testing guidance.
NickCrew/Claude-Cortex 13